Home / 14,442.20-21,661.46-4,581.56

Finding the Fourth Proportional to 14,442.20, 21,661.46 and 4,581.56

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Solution

The fourth proportional to 14,442.20, 21,661.46 and 4,581.56 is: 6,871.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.20 : 21,661.46 = 4,581.56 : x
  2. Step 2: Convert to fraction form
    14,442.20/21,661.46 = 4,581.56/x
  3. Step 3: Cross multiply
    14,442.20x = 21,661.46 × 4,581.56
  4. Step 4: Simplify right side
    14,442.20x = 99,243,278.68
  5. Step 5: Solve for x
    x = 99,243,278.68/14,442.20
  6. Step 6: Final answer
    x = 6,871.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.